Cal/zinc def??new grower needs confirmation..

Hello im new to RIU but ive been a long time pupil of the forums...I got 5 cuttings (believed to be kush) 2weeks ago today after reppoting in coco pro+ and placing under the 600w hps one of the ladys went into the fetal position but after I had proped it up for two+ hours the prop was removed and the cutting stood solo...she seems to have stunted growth compared to the rest and now she is also showing signs of what I beleive to be CAL/ZINC def.Could anyone confirm this diagnosis just so I am sure before I "fix" it ...thx and sorry that my first post is asking for help...
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On the last pic of all six its the one in the top left corner.Im probably just worrying for nothing but best to be safe than sorry ..thx
 
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